A walk among the tombstones

A Walk Among the Tombstones (2014) is a gritty neo-noir thriller starring Liam Neeson as Matt Scudder, an unlicensed, recovering alcoholic PI in 1999 New York City. Hired by a drug trafficker to find the sadistic killers who murdered his wife, Scudder navigates a dark underworld to stop them before they strike again.